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Control for VAR generator with deadband

  • US 4,353,024 A
  • Filed: 06/10/1980
  • Issued: 10/05/1982
  • Est. Priority Date: 06/10/1980
  • Status: Expired due to Term
First Claim
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1. A VAR generator of the type which provides a controlled conduction path for reactive current between two conductors in an electrical system across which the voltage of said electrical system may deviate from a nominal value, comprising:

  • (a) capacitance means disposed as part of said conduction path for providing a capacitive component of said reactive current in said conduction path during a predetermined increment of time;

    (b) inductance means disposed as part of said conduction path for providing an inductive component of said reactive current in said conduction path during a predetermined increment of time; and

    (c) control means interconnected with said capacitance means and said inductance means for determining the magnitude of said reactive current required as a function of said deviation of said voltage from said nominal value and for cooperating with said capacitance means and said inductance means to provide said required reactive current except in a predetermined range of deviation of said voltage.

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